“ In (2) “lurch” occurs first in the form “lee-lurches,” sudden rolls a ship takes to leeward in a heavy sea, which may be a corruption of “lee-latch,” defined in Smyth’s Sailor’s Word Book as dropping to leeward of the course. In (3) “lurch” is probably another form of “lurk,” to lie in wait for, watch stealthily, hence to pilfer, steal. ”